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#1 2024-06-24 14:46:22

scarlet
Member
Registered: 2024-06-07
Posts: 6

[SOLVED]Automatically logout(enter SDDM) sometimes

I am new to archlinux. These days I find that when I was opening browser , switching between windows, or someting else, the screen turned black and I entered SDDM sometimes(I am logged out).
I cannot figure out what caused it. Like kernel ? KDE ? NVIDIA? Could you please tell me how to locate the error ? Thanks so much.

My devices are listed below.

OS: Arch Linux x86_64
Host: BATTLE-AX B760M-F PRO
Kernel: Linux 6.9.6-arch1-1
Uptime: 5 hours, 4 mins
Packages: 1324 (pacman)
Shell: fish 3.7.1
Display (Q27G2G4): 2560x1440 @ 144Hz *
Display (RTK FHD HDR): 1920x1080 @ 60Hz
DE: KDE Plasma 6.1.0
WM: KWin (X11)
WM Theme: Breeze
Theme: Breeze (Dark) [QT], Breeze-Dark [GTK2], Breeze [GTK3]
Icons: breeze-dark [QT], breeze-dark [GTK2/3/4]
Font: Segoe UI (10pt) [QT], Segoe UI (10pt) [GTK2/3/4]
Cursor: breeze (24px)
Terminal: konsole 24.5.1
Terminal Font: Inconsolata (12pt)
CPU: 13th Gen Intel(R) Core(TM) i5-13400F (16) @ 4.60 GHz
GPU: NVIDIA GeForce RTX 3060 Ti GDDR6X [Discrete]
Memory: 3.59 GiB / 31.18 GiB (11%)
Swap: 11.50 MiB / 1024.00 MiB (1%)
Disk (/): 61.66 GiB / 951.87 GiB (6%) - btrfs
Local IP (wlp4s0): 100.80.167.243/15 *
Locale: en_US.UTF-8

This is the result of journalctl -b -l

Jun 24 17:40:14 scarlet kernel: Linux version 6.9.6-arch1-1 (linux@archlinux) (gcc (GCC) 14.1.1 20240522, GNU ld (GNU Binutils) 2.42.0) #1 SMP PREEMPT_DYNAMIC Fri, 21>
Jun 24 17:40:14 scarlet kernel: Command line: root=UUID=85d05a62-f25d-4aaf-bf1f-a6a12fcf8ccb rw rootflags=subvol=@  nvidia_drm.modeset=1 nvidia_drm.fbdev=1 loglevel=5>
Jun 24 17:40:14 scarlet kernel: x86/split lock detection: #AC: crashing the kernel on kernel split_locks and warning on user-space split_locks
Jun 24 17:40:14 scarlet kernel: BIOS-provided physical RAM map:
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x0000000000000000-0x000000000009dfff] usable
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x000000000009e000-0x000000000009efff] reserved
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x000000000009f000-0x000000000009ffff] usable
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x0000000000100000-0x000000007102efff] usable
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x000000007102f000-0x000000007102ffff] reserved
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x0000000071030000-0x0000000075f08fff] usable
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x0000000075f09000-0x0000000079008fff] reserved
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x0000000079009000-0x00000000790e9fff] ACPI data
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x00000000790ea000-0x00000000791ebfff] ACPI NVS
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x00000000791ec000-0x0000000079ffefff] reserved
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x0000000079fff000-0x0000000079ffffff] usable
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x000000007a000000-0x000000007dffffff] reserved
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x000000007ec00000-0x000000007fffffff] reserved
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x00000000c0000000-0x00000000cfffffff] reserved
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x00000000fe000000-0x00000000fe010fff] reserved
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x00000000fed00000-0x00000000fed00fff] reserved
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x00000000fed20000-0x00000000fed7ffff] reserved
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
Jun 24 17:40:14 scarlet kernel: BIOS-e820: [mem 0x0000000100000000-0x000000087fffffff] usable
Jun 24 17:40:14 scarlet kernel: The simpledrm driver will not be probed

Last edited by scarlet (2024-06-25 03:34:33)

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#2 2024-06-24 15:25:22

seth
Member
Registered: 2012-09-03
Posts: 54,177

Re: [SOLVED]Automatically logout(enter SDDM) sometimes

Most likely the session crashed.
Please don't copy-paste out of the pager (that's the first page of the journal - uselss itc)
If this has happened during the current boot:

sudo journalctl -b | curl -F 'file=@-' 0x0.st

Otherwise … -b -1 … would select  the previous boot and you can select older boots by increasing the digit.

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#3 2024-06-25 03:34:14

scarlet
Member
Registered: 2024-06-07
Posts: 6

Re: [SOLVED]Automatically logout(enter SDDM) sometimes

Thanks so much!

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#4 2024-06-25 06:27:09

seth
Member
Registered: 2012-09-03
Posts: 54,177

Re: [SOLVED]Automatically logout(enter SDDM) sometimes

For what?
Did you solve the problem? What was it?

https://wiki.archlinux.org/title/Genera … way_street

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